This workshop service manual provides comprehensive information for the excavators, part of the Zaxis-3 generation. These machines are engineered for demanding construction and earthmoving applications, featuring a robust diesel engine likely manufactured by Isuzu, with a displacement of 7.8 L and an approximate power output of 122 kW. Their design emphasizes reliability and efficiency, incorporating a hydraulic pilot control transmission with automatic two-speed travel and a powerful hydraulic system capable of significant digging forces. The Zaxis series is known for its advanced engineering and operational performance. This English-language workshop service manual, comprising 699 pages, is designed to be an essential resource for owners, technicians, and mechanics. It covers a wide range of critical information, including detailed maintenance schedules and procedures for engine oil, hydraulic oil, coolant, and fuel systems, along with typical service intervals for engine oil and hydraulic filters. Furthermore, the manual includes technical specifications for dimensions, weight, engine components, and performance metrics, as well as guidance on troubleshooting and repair, ensuring the proper upkeep and optimal functioning of the excavators.